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keksAccountGUI/node_modulesOLD/rxjs/_esm5/internal/operators/debounce.js
2019-08-11 20:48:02 +02:00

76 lines
2.8 KiB
JavaScript

/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
export function debounce(durationSelector) {
return function (source) { return source.lift(new DebounceOperator(durationSelector)); };
}
var DebounceOperator = /*@__PURE__*/ (function () {
function DebounceOperator(durationSelector) {
this.durationSelector = durationSelector;
}
DebounceOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new DebounceSubscriber(subscriber, this.durationSelector));
};
return DebounceOperator;
}());
var DebounceSubscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(DebounceSubscriber, _super);
function DebounceSubscriber(destination, durationSelector) {
var _this = _super.call(this, destination) || this;
_this.durationSelector = durationSelector;
_this.hasValue = false;
_this.durationSubscription = null;
return _this;
}
DebounceSubscriber.prototype._next = function (value) {
try {
var result = this.durationSelector.call(this, value);
if (result) {
this._tryNext(value, result);
}
}
catch (err) {
this.destination.error(err);
}
};
DebounceSubscriber.prototype._complete = function () {
this.emitValue();
this.destination.complete();
};
DebounceSubscriber.prototype._tryNext = function (value, duration) {
var subscription = this.durationSubscription;
this.value = value;
this.hasValue = true;
if (subscription) {
subscription.unsubscribe();
this.remove(subscription);
}
subscription = subscribeToResult(this, duration);
if (subscription && !subscription.closed) {
this.add(this.durationSubscription = subscription);
}
};
DebounceSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
this.emitValue();
};
DebounceSubscriber.prototype.notifyComplete = function () {
this.emitValue();
};
DebounceSubscriber.prototype.emitValue = function () {
if (this.hasValue) {
var value = this.value;
var subscription = this.durationSubscription;
if (subscription) {
this.durationSubscription = null;
subscription.unsubscribe();
this.remove(subscription);
}
this.value = null;
this.hasValue = false;
_super.prototype._next.call(this, value);
}
};
return DebounceSubscriber;
}(OuterSubscriber));
//# sourceMappingURL=debounce.js.map